package cn.edu.scau.cmi.dengzejun.chapter09;

import java.util.*;

public class Example9_9 {
	public static void main(String args[]) {
		String regx = "[a - zA - Z] +";
		Scanner scanner = new Scanner(System.in);
		String str = scanner.nextLine();
		if (str.matches(regx)) {
			System.out.println("this string is consist of alphabet!");
		}
		return;
	}
}
